Messages in this thread | | | Date | Thu, 3 Nov 2005 12:05:27 -0500 | From | Theodore Ts'o <> | Subject | Re: XFS information leak during crash |
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On Thu, Nov 03, 2005 at 12:45:49PM +0000, Alan Cox wrote: > On Iau, 2005-11-03 at 11:11 +1100, Nathan Scott wrote: > > On Thu, Nov 03, 2005 at 01:03:17AM +0100, Jan Kasprzak wrote: > > > : it would only ever be uninitialised, previously-free space. > > > > > > Yes, but an old data from previously deleted files > > > (sendmail's temporary files, vim save files, etc) may contain > > > a sensitive information. > > > > Indeed. But this is a generic issue affecting most filesystems; > > its not specific to XFS as your original mail claimed. > > Very true. You can use ext3 in data journalling mode if this is a > concern but that guarantee has a performance cost
The default ordered journalling mode solves this problem at a much lower cost.
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